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“Warning! Your Computer Is Infected” virus. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Malware

“Warning – Your Computer Is Infected” is a Tech-Support-Scam alert promoting fake software updates

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“Warning – Your Computer Is Infected” hoax is a technical-support-scam[1] alert, which contains false claims about Trojan infection and possible hard drive failure. It mimics the features of a legitimate Microsoft notification and prompt the PC's user to call one of the two Customer Support numbers. However, that's yet another social engineering strategy used to spread malware and initiate other shady activities, so do not fall for calling the crooks. People can be redirected to the fake “Warning – Your Computer Is Infected” site by adware program or JavaScript infected malicious domains. 

Name Warning – Your Computer Is Infected
Malware type Tech-Support-Scam
Causes Adware infection, malicious websites
Distribution Freeware (bundling)
Danger level Low (it cannot affect the system directly)
Symptoms Web browser's redirects to “Warning – Your Computer Is Infected” new tab, excessive amount of pop-ups and other ads
Removal methods Related adware can be eliminated with Reimage. Manual removal instructions provided at the end of the article

The Your Computer Is Infected scam is displayed in a form of a full page new tab window. It simulates Microsoft Windows BSOD in the background, a bar-code, and two Windows Service Center contact numbers: +1-877-304-0310 and +1-866-820-7252. To intimidate people and trick them into calling them, crooks render bogus claims about unknown Trojan infection in the hard drive, which can lead to leakage of personal information and complete data loss.  

However, dialing this phone number is not a good idea for several reasons:

  • the phone call might be charged more than a regular call;
  • crooks might want to sell you bogus security software;
  • scammers might want you to install remote access tools;[2]
  • criminals might trick personal information about you.

“Warning – Your Computer Is Infected” virus uses Microsoft’s name and credentials to make this scam look like real notification. When users are redirected to the malicious website, it locks the screen and delivers two pop-up windows. The first notification briefly informs about computer infection, provides support phone number and asks whether you want to leave this page or not.

“Warning! Your Computer Is Infected” virus

The second warning message gives more information about the problem. Here crooks name numerous problems that might occur due to this “infection”:

  • blocked firewall,
  • account suspension,
  • leakage of the personal information.
  • infiltration of the Trojan.
  • the possibility of losing a credit card or banking information.

Authors of the “Warning – Your Computer Is Infected” scam claims that trying to find and delete this “virus” manually may lead to data loss and other problems. They want to make users believe that only “certified technicians” can solve this problem.

However, you should not Google where the nearest Windows Service Centre is or call the provided number. This cyber infection provides false information to involve users into cyber crime. Scanning the system with anti-malware/anti-spyware is recommended to make sure that your computer is not infected with adware that is responsible for spreading the scam. The program, such as Reimage, will help to remove “Warning – Your Computer Is Infected” easily and protect your device from similar cyber threats in the future.

You can also delete adware manually. However, this task might be slightly complicated because the virus may have installed numerous components in various locations. If you still want to choose this method, you can find manual “Warning – Your Computer Is Infected” removal instructions below the article.

Scammers use freeware to reach potential victims

As we have mentioned at the beginning, users can end up on technical support scam website in two ways:

  • when they visit potentially dangerous websites, such as pornographic, gaming, gambling, etc.
  • when adware is installed on their computer.

The scam mostly aims at American computer users. However, some cases were spotted in Great Britain, Spain, and Germany.[3] Thus, you should be aware of the fact that crooks are looking for victims all over the world.

Therefore, one of the ways to prevent “Warning – Your Computer Is Infected” error shows up is to avoid visiting high-risk websites. Such sites often spread malicious content and scam website is not the worst infection you can get there.

“Warning! Your Computer Is Infected” virus

However, the majority of traffic to this misleading website is driven by adware programs. These applications usually end up on computers with the help of programs that can be downloaded from various file-sharing sites and torrents.

The hijack might occur when a user installs a new program using Quick/Recommended setup that usually hides additional third-party apps attached to the primary program. To “unpack” the program and reject installation of undesired apps, you have to opt for Advanced/Custom settings and untick pre-selected third-party programs.

Get rid of “Warning – Your Computer Is Infected” virus from the computer

Usually, “Warning – Your Computer Is Infected” removal requires getting rid of the adware program. Its components might be located in the system and/or web browser. Thus, you have to find and uninstall them.

To complete virus removal, you have two choices. You can either get rid of it manually or automatically. The instructions below will help you to remove “Warning – Your Computer Is Infected” manually. However, if you want to speed up this procedure, you should opt for the automatic option.

You can remove “Warning! Your Computer Is Infected” automatically with a help of one of these programs: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus, Malwarebytes Anti Malware. We recommend these applications because they can easily delete potentially unwanted programs and viruses with all their files and registry entries that are related to them.

We might be affiliated with any product we recommend on the site. Full disclosure in our Agreement of Use. By Downloading any provided Anti-spyware software to remove “Warning! Your Computer Is Infected” virus you agree to our privacy policy and agreement of use.
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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall “Warning! Your Computer Is Infected” virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.
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Manual “Warning! Your Computer Is Infected” virus Removal Guide:

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Uninstall “Warning! Your Computer Is Infected” from Windows systems

The program that is responsible for “Warning – Your Computer Is Infected” malware may have been installed without your knowledge. Follow the instructions to find and delete it.

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs). Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall “Warning! Your Computer Is Infected” and related programs
    Here, look for “Warning! Your Computer Is Infected” or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete “Warning! Your Computer Is Infected” from Mac OS X system

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for “Warning! Your Computer Is Infected” or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove “Warning! Your Computer Is Infected” from Internet Explorer (IE)

These guidelines will show you how to get rid of adware-related entries from the Internet Explorer.

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for “Warning! Your Computer Is Infected” and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete “Warning! Your Computer Is Infected” removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of “Warning! Your Computer Is Infected” virus from Microsoft Edge

Uninstall add-ons that might be related to the scam. Then reset Microsoft Edge as shown below.

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, “Warning! Your Computer Is Infected” should be removed from your Microsoft Edge browser.

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Eliminate “Warning! Your Computer Is Infected” from Mozilla Firefox (FF)

Some of the suspicious extensions might be responsible for redirecting you to “Warning – Your Computer Is Infected” website. Uninstall them all from Mozilla Firefox and reset the browser.

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select “Warning! Your Computer Is Infected” and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  4. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete “Warning! Your Computer Is Infected” removal. Click on 'Reset Firefox' button for a couple of times
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Erase “Warning! Your Computer Is Infected” from Google Chrome

Check the list of Google Chrome's extensions. If you find some unknown entries, remove them. In order to get rid of all “Warning – Your Computer Is Infected” virus components, you should reset the browser as well.

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select “Warning! Your Computer Is Infected” and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  4. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  5. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  6. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  7. Click Reset to confirm this action and complete “Warning! Your Computer Is Infected” removal. Click on 'Reset' button to complete your removal
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Uninstall “Warning! Your Computer Is Infected” from Safari

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for “Warning! Your Computer Is Infected” or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  4. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete “Warning! Your Computer Is Infected” removal process. Select all options and click on 'Reset' button

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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